FSU  
Model Number Coding
FK
Standard Type
 
FSI  
BGXS15BS-S55BE
FF
Flange Type
 
FDU  
BGXH15FN-H55FE
BK
Aluminum
Housing Type
 
FDI  
BGXH15BN-H55BE
BF
 
FSE      
EK
Support of
Slide Shaft
 
FSC      
EF
 
FSB          
Slide Shaft
 
FSK          
 
 
RSK          
 
 
RSY              
 
RSU              
 
RSH